HaoYang670 edited a comment on pull request #1374:
URL: https://github.com/apache/arrow-rs/pull/1374#issuecomment-1057584025
```shell
min string 512 time: [1.3687 us 1.3691 us 1.3696 us]
change: [-7.7279% -7.5833% -7.4242%] (p = 0.00 <
0.05)
Performance has improved.
Found 9 outliers among 100 measurements (9.00%)
1 (1.00%) high mild
8 (8.00%) high severe
min nulls string 512 time: [1.6630 us 1.6647 us 1.6665 us]
change: [-33.478% -33.362% -33.244%] (p = 0.00 <
0.05)
Performance has improved.
Found 3 outliers among 100 measurements (3.00%)
2 (2.00%) high mild
1 (1.00%) high severe
```
Using `value_unchecked` can get 8% extra speedup for not-null values
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